upstream-zulip/scripts/upgrade-zulip

#!/usr/bin/env bash
#
# This is a thin wrapper around the upgrade script (scripts/lib/upgrade-zulip).
# This wrapper exists to log output to /var/log/zulip/upgrade.log for debugging.

set -e

if [ "$EUID" -ne 0 ]; then
    basename=$(basename "$0")
    echo "Error: $basename must be run as root." >&2
    exit 1
fi

"$(dirname "$0")/lib/upgrade-zulip" "$@" 2>&1 | tee -a /var/log/zulip/upgrade.log
failed=${PIPESTATUS[0]}

if [ "$failed" -ne 0 ]; then
    echo -e '\033[0;31m'
    echo "Zulip upgrade failed (exit code $failed)!"
    echo
    echo -n "The upgrade process is designed to be idempotent, so you can retry "
    echo -n "after resolving whatever issue caused the failure (there should be a traceback above). "
    echo -n "A log of this installation is available in /var/log/zulip/upgrade.log"
    echo -e '\033[0m'
    exit "$failed"
fi